Windshield wiper



FIG. 1 is a right side elevational view of a windshield wiper showing our new design, the left side being a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an enlarged left end elevational view thereof; and,

FIG. 5 is an enlarged right end elevational view thereof. 

The ornamental design for a windshield wiper, as shown and described. 